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HOME > J Yeungnam Med Sci > Volume 34(1); 2017 > Article
Case Report Dermatomyositis sine dermatitis, a rare phenotype of idiopathic inflammatory myopathy
Jin Sung Park, Ji Young Park
Journal of Yeungnam Medical Science 2017;34(1):137-139
DOI: https://doi.org/10.12701/yujm.2017.34.1.137
Published online: June 30, 2017
1Department of Neurology, Kyungpook National University School of Medicine, Daegu, Korea.
2Department of Pathology, Kyungpook National University School of Medicine, Daegu, Korea. neurojspark@gmail.com
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Dermatomyositis (DM) is characterized by progressive proximal limb weakness and typical skin manifestations. The histological findings that show perifascicular atrophy and deposition of membrane attack complex are pathognomic features of DM. Dermatomyositis is categorized into classical DM and non-classical DM, which includes amyopathic DM and DM sine dermatitis. DM sine dermatitis is seldom described because of its rarity, making the diagnosis more challenging. We report a case of DM sine dermatitis, a rare phenotype of DM.

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